救命啊！！！！各路高手！表单运行时出现操作符或操作数类型不匹配
lpara c
thisform.label1.caption=c+"触发器密码"
do case
case c="插入"
thisform.optiongroup1.option1.value=1
thisform.optiongroup1.option2.value=0
thisform.optiongroup1.option3.value=0
case c="更新"
thisform.optiongroup1.option1.value=0
thisform.optiongroup1.option2.value=1
thisform.optiongroup1.option3.value=0
case c="删除"
thisform.optiongroup1.option1.value=0
thisform.optiongroup1.option2.value=0
thisform.optiongroup1.option1.value=1
endcase
thisform.text1.setfocus